Bluetooth: btsdio: fix use after free bug in btsdio_remove due to race condition
In btsdio_probe, the data->work is bound with btsdio_work. It will be
started in btsdio_send_frame.
If the btsdio_remove runs with a unfinished work, there may be a race
condition that hdev is freed but used in btsdio_work. Fix it by
canceling the work before do cleanup in btsdio_remove.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2023-59764 | In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btsdio: fix use after free bug in btsdio_remove due to race condition In btsdio_probe, the data->work is bound with btsdio_work. It will be started in btsdio_send_frame. If the btsdio_remove runs with a unfinished work, there may be a race condition that hdev is freed but used in btsdio_work. Fix it by canceling the work before do cleanup in btsdio_remove. |
Wed, 12 Nov 2025 20:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-416 | |
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.3:rc3:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.3:rc4:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.3:rc5:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.3:rc6:*:*:*:*:*:* |
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| Metrics |
cvssV3_1
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cvssV3_1
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Mon, 12 May 2025 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
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| Metrics |
threat_severity
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cvssV3_1
|
Sat, 10 May 2025 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btsdio: fix use after free bug in btsdio_remove due to race condition In btsdio_probe, the data->work is bound with btsdio_work. It will be started in btsdio_send_frame. If the btsdio_remove runs with a unfinished work, there may be a race condition that hdev is freed but used in btsdio_work. Fix it by canceling the work before do cleanup in btsdio_remove. | |
| Title | Bluetooth: btsdio: fix use after free bug in btsdio_remove due to race condition | |
| References |
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Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-11T19:39:18.996Z
Reserved: 2025-05-02T15:51:43.565Z
Link: CVE-2023-53145
No data.
Status : Analyzed
Published: 2025-05-10T15:15:58.587
Modified: 2025-11-12T20:42:21.067
Link: CVE-2023-53145
OpenCVE Enrichment
Updated: 2025-07-12T22:00:49Z
EUVD